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authorAlex Crichton <alex@alexcrichton.com>2015-04-29 09:52:15 -0700
committerAlex Crichton <alex@alexcrichton.com>2015-04-29 09:52:24 -0700
commit40ca99b2d6bc6d4046d2b74438dc9ea769d28c5b (patch)
tree19ab2f7adf3723fe200d1f3ed8362a9367fff598 /libssh2-sys/libssh2-1.5.0/example/sftpdir_nonblock.c
parentcce73bddc574715c0eb77ec5450a76840d43df81 (diff)
downloadssh2-rs-40ca99b2d6bc6d4046d2b74438dc9ea769d28c5b.zip
Update libssh2 to 1.5.0
Diffstat (limited to 'libssh2-sys/libssh2-1.5.0/example/sftpdir_nonblock.c')
-rw-r--r--libssh2-sys/libssh2-1.5.0/example/sftpdir_nonblock.c252
1 files changed, 252 insertions, 0 deletions
diff --git a/libssh2-sys/libssh2-1.5.0/example/sftpdir_nonblock.c b/libssh2-sys/libssh2-1.5.0/example/sftpdir_nonblock.c
new file mode 100644
index 0000000..1950e67
--- /dev/null
+++ b/libssh2-sys/libssh2-1.5.0/example/sftpdir_nonblock.c
@@ -0,0 +1,252 @@
+/*
+ * Sample doing an SFTP directory listing.
+ *
+ * The sample code has default values for host name, user name, password and
+ * path, but you can specify them on the command line like:
+ *
+ * "sftpdir 192.168.0.1 user password /tmp/secretdir"
+ */
+
+#include "libssh2_config.h"
+#include <libssh2.h>
+#include <libssh2_sftp.h>
+
+#ifdef HAVE_WINSOCK2_H
+# include <winsock2.h>
+#endif
+#ifdef HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+#ifdef HAVE_NETINET_IN_H
+# include <netinet/in.h>
+#endif
+# ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#ifdef HAVE_ARPA_INET_H
+# include <arpa/inet.h>
+#endif
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <stdio.h>
+#include <ctype.h>
+
+/* last resort for systems not defining PRIu64 in inttypes.h */
+#ifndef __PRI64_PREFIX
+#ifdef WIN32
+#define __PRI64_PREFIX "I64"
+#else
+#if __WORDSIZE == 64
+#define __PRI64_PREFIX "l"
+#else
+#define __PRI64_PREFIX "ll"
+#endif /* __WORDSIZE */
+#endif /* WIN32 */
+#endif /* !__PRI64_PREFIX */
+#ifndef PRIu64
+#define PRIu64 __PRI64_PREFIX "u"
+#endif /* PRIu64 */
+
+int main(int argc, char *argv[])
+{
+ unsigned long hostaddr;
+ int sock, i, auth_pw = 1;
+ struct sockaddr_in sin;
+ const char *fingerprint;
+ LIBSSH2_SESSION *session;
+ const char *username="username";
+ const char *password="password";
+ const char *sftppath="/tmp/secretdir";
+ int rc;
+ LIBSSH2_SFTP *sftp_session;
+ LIBSSH2_SFTP_HANDLE *sftp_handle;
+
+#ifdef WIN32
+ WSADATA wsadata;
+ int err;
+
+ err = WSAStartup(MAKEWORD(2,0), &wsadata);
+ if (err != 0) {
+ fprintf(stderr, "WSAStartup failed with error: %d\n", err);
+ return 1;
+ }
+#endif
+
+ if (argc > 1) {
+ hostaddr = inet_addr(argv[1]);
+ } else {
+ hostaddr = htonl(0x7F000001);
+ }
+
+ if(argc > 2) {
+ username = argv[2];
+ }
+ if(argc > 3) {
+ password = argv[3];
+ }
+ if(argc > 4) {
+ sftppath = argv[4];
+ }
+
+ rc = libssh2_init (0);
+ if (rc != 0) {
+ fprintf (stderr, "libssh2 initialization failed (%d)\n", rc);
+ return 1;
+ }
+
+ /*
+ * The application code is responsible for creating the socket
+ * and establishing the connection
+ */
+ sock = socket(AF_INET, SOCK_STREAM, 0);
+
+ sin.sin_family = AF_INET;
+ sin.sin_port = htons(22);
+ sin.sin_addr.s_addr = hostaddr;
+ if (connect(sock, (struct sockaddr*)(&sin),
+ sizeof(struct sockaddr_in)) != 0) {
+ fprintf(stderr, "failed to connect!\n");
+ return -1;
+ }
+
+ /* Create a session instance
+ */
+ session = libssh2_session_init();
+ if(!session)
+ return -1;
+
+ /* Since we have set non-blocking, tell libssh2 we are non-blocking */
+ libssh2_session_set_blocking(session, 0);
+
+ /* ... start it up. This will trade welcome banners, exchange keys,
+ * and setup crypto, compression, and MAC layers
+ */
+ while ((rc = libssh2_session_handshake(session, sock)) ==
+ LIBSSH2_ERROR_EAGAIN);
+ if(rc) {
+ fprintf(stderr, "Failure establishing SSH session: %d\n", rc);
+ return -1;
+ }
+
+ /* At this point we havn't yet authenticated. The first thing to do
+ * is check the hostkey's fingerprint against our known hosts Your app
+ * may have it hard coded, may go to a file, may present it to the
+ * user, that's your call
+ */
+ fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
+ fprintf(stderr, "Fingerprint: ");
+ for(i = 0; i < 20; i++) {
+ fprintf(stderr, "%02X ", (unsigned char)fingerprint[i]);
+ }
+ fprintf(stderr, "\n");
+
+ if (auth_pw) {
+ /* We could authenticate via password */
+ while ((rc = libssh2_userauth_password(session, username, password)) ==
+ LIBSSH2_ERROR_EAGAIN);
+ if (rc) {
+ fprintf(stderr, "Authentication by password failed.\n");
+ goto shutdown;
+ }
+ } else {
+ /* Or by public key */
+ while ((rc = libssh2_userauth_publickey_fromfile(session, username,
+ "/home/username/.ssh/id_rsa.pub",
+ "/home/username/.ssh/id_rsa",
+ password)) == LIBSSH2_ERROR_EAGAIN);
+ if (rc) {
+ fprintf(stderr, "\tAuthentication by public key failed\n");
+ goto shutdown;
+ }
+ }
+
+ fprintf(stderr, "libssh2_sftp_init()!\n");
+ do {
+ sftp_session = libssh2_sftp_init(session);
+
+ if ((!sftp_session) && (libssh2_session_last_errno(session) !=
+ LIBSSH2_ERROR_EAGAIN)) {
+ fprintf(stderr, "Unable to init SFTP session\n");
+ goto shutdown;
+ }
+ } while (!sftp_session);
+
+ fprintf(stderr, "libssh2_sftp_opendir()!\n");
+ /* Request a dir listing via SFTP */
+ do {
+ sftp_handle = libssh2_sftp_opendir(sftp_session, sftppath);
+
+ if ((!sftp_handle) && (libssh2_session_last_errno(session) !=
+ LIBSSH2_ERROR_EAGAIN)) {
+ fprintf(stderr, "Unable to open dir with SFTP\n");
+ goto shutdown;
+ }
+ } while (!sftp_handle);
+
+ fprintf(stderr, "libssh2_sftp_opendir() is done, now receive listing!\n");
+ do {
+ char mem[512];
+ LIBSSH2_SFTP_ATTRIBUTES attrs;
+
+ /* loop until we fail */
+ while ((rc = libssh2_sftp_readdir(sftp_handle, mem, sizeof(mem),
+ &attrs)) == LIBSSH2_ERROR_EAGAIN) {
+ ;
+ }
+ if(rc > 0) {
+ /* rc is the length of the file name in the mem
+ buffer */
+
+ if(attrs.flags & LIBSSH2_SFTP_ATTR_PERMISSIONS) {
+ /* this should check what permissions it
+ is and print the output accordingly */
+ printf("--fix----- ");
+ } else {
+ printf("---------- ");
+ }
+
+ if(attrs.flags & LIBSSH2_SFTP_ATTR_UIDGID) {
+ printf("%4ld %4ld ", attrs.uid, attrs.gid);
+ } else {
+ printf(" - - ");
+ }
+
+ if(attrs.flags & LIBSSH2_SFTP_ATTR_SIZE) {
+ printf("%8" PRIu64 " ", attrs.filesize);
+ }
+
+ printf("%s\n", mem);
+ }
+ else if (rc == LIBSSH2_ERROR_EAGAIN) {
+ /* blocking */
+ fprintf(stderr, "Blocking\n");
+ } else {
+ break;
+ }
+
+ } while (1);
+
+ libssh2_sftp_closedir(sftp_handle);
+ libssh2_sftp_shutdown(sftp_session);
+
+ shutdown:
+
+ libssh2_session_disconnect(session, "Normal Shutdown, Thank you for playing");
+ libssh2_session_free(session);
+
+#ifdef WIN32
+ closesocket(sock);
+#else
+ close(sock);
+#endif
+ fprintf(stderr, "all done\n");
+
+ libssh2_exit();
+
+ return 0;
+}